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图示典型袋式除尘器。
室内悬吊着滤袋,粉尘被滤袋捕集,净化后的气体从出口排出。
经过一段时间开启空气反吹系统,反吹清灰
①清洁滤布,纤维起捕尘作用,孔隙率大,除尘效率低;
②捕集粉尘量不断增加,一部分嵌入滤布内部,一部分覆盖表面形成粉尘层,含尘气体过滤主要依靠粉尘层,大大提高除尘效率。
③粉尘层增厚,除尘效率增加,但阻力增加。用各种清灰方式将粉尘排出除尘器。
除尘机理
滤布网孔较大20-50μm,表面起绒的油布约5-10μm,但能除去1μm以下的尘粒,主要机理:
①筛滤:粉尘粒径大于滤布孔隙,粉尘被截留下来。新滤布孔隙远大于粉尘粒径,阻留作用很小。当滤布表面沉积大量粉尘后,阻留作用显著增大。
②惯性碰撞:含尘气流接近滤布纤维,气流将绕过纤维,尘粒由于惯性作用继继直线前进,撞到纤维上被捕集。惯性碰撞作用,随粉尘粒径及流速的增大而增强。
③扩散:在气流速度很低时,小于1μm的尘粒在气体分子的撞击下脱离流线,象气体分子一样作布朗运动,如果在运动过程中和纤维接触,即可从气流中分离出来。
④静电作用:粉尘和滤布表面都可能带有电荷,电荷相反时,粉尘易吸附在滤布上;反之粉尘将受到排斥。如有外加电场,可强化静电效应,提高除尘效率。
⑤重力沉降:当缓慢运动的含尘气流进入除尘器后,粒径和密度大的尘粒,可能因重力作用自然沉降下来。

烧结机适用于大型黑色冶金烧结厂的烧结作业,它是抽风烧结过程中的主体设备,可将不同成份,不同粒度的精矿粉,富矿粉烧结成块,并部分消除矿石中所含的硫,磷等有害杂质。 烧结机按烧结面积划分为不同长度不同宽度几种规格,用户根据其产量或场地情况进行选用。烧结面积越大,产量就越高。
设计
它被设计为焊接金刚石磨的轮子、金刚石锯刀片和其它金刚石工具。我们能并且生产根据您需要的那些焊接机器、真空焊接机器和3相焊接机器。如果您有这个需要,请不要犹豫告诉我们。国内从事烧结机研究的学者主要有燕山大学的白明华教授等。燕山大学的白明华教授,从事烧结机研究30年,现为博士生导师、国务院政府特殊津贴专家,完成科研项目三十二项,授权专利11项。完成专著一部(国家“七五”“八五”重点攻关课题机械部教育司基金资助),主编两部。主审行业内权威工具书《大型烧结设备》。
主要研究领域为:冶炼设备的结构分析及现代设计方法,冶金厂设备改造与环境治理,环保设备研究设计等。目前主持的研究方向主要有:负压腔整体连通非接触隔热式磁性流体密封理论与应用技术的研究;匀速,变速逻辑运动复合齿形星轮传动的烧结机及虚拟制造技术的研究;狭小曲面腔体内壁光饰机理及应用技术研究;高负接触烧结机风箱外头尾密封研究;高效湿式脱硫除尘一体化设备研究。从教多年来带领课题组同志共同研究攻关。发表学术论文几十篇。从教以来白明华教授曾荣获“国家政府特贴专家”、“全国优秀教师”、“机械部部属院校优秀科研管理工作者”和“科教兴市先进工作者”等荣誉称号。
性能特点
立式运行烧结、工艺设计先进、运行高效连续、配备集中润滑系统使设备运行理加安全 。国内从事烧结机研究的学者主要有燕山大学的白明华教授等。
你需要烧结板除尘设备啊?浙江一家公司是专门做这种设备的,叫东方环保设备有限公司,你可以去问问。
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